A woman thought she had a persistent blackhead, but what the doctor found was potentially deadly.
Kari Cummins, 35, says she went for a skin check up two years ago. She asked the dermatologist to check what she thought was a blackhead growing near her chin.
She says it tested positive for squamous cell carcinoma, a form of skin cancer that could have spread to her organs. Find out more on the story in the video above.
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